Abstract:
A semiconductor light emitting apparatus includes a solid-state light emitting device and a wavelength converter that converts primary light emitted by the solid-state light emitting device into secondary light at a loner-wavelength. The wavelength converter is an inorganic compact that includes a transparent wavelength conversion layer containing phosphor having a garnet crystal structure. The phosphor contains a constituent element group composed of at least one element selected from the group consisting of Mg, Ca, Sr, Ba, Y, La, Gd, Tb, and Lu. Part of the constituent element group is substituted by Ce3+ and the amount of Ce3+ is 1 atomic% less of the entire constituent element group. As a result, a high-power and highly reliable semiconductor light emitting apparatus suitable as a point light source is provided. In addition, such a semiconductor light emitting apparatus is manufactured through a simple application of traditionally used practical technicians.
Abstract:
A luminescent light source includes: a light-emitting element ( 1 ); a substrate ( 2 ) including a conductor pattern ( 4 ); and a phosphor layer material ( 3 ) containing a phosphor and a light-transmitting base material. In the luminescent light source, the light-emitting element ( 1 ) is connected to a conductor pattern ( 4 b), and the phosphor layer material ( 3 ) covers the light-emitting element ( 1 ). Further, at least the light-transmitting base material in the phosphor layer material ( 3 ) is disposed between the light-emitting element ( 1 ) and the substrate ( 2 ). Thus, a luminescent light source can be provided that allows a gap between a light-emitting element such as a LED bare chip or the like and a substrate to be eliminated, thereby obtaining output light with even chromaticity and achieving high luminous efficiency.
Abstract:
A bulb-type lamp has a bsae 4 to be inserted into a socket by being rotated about a central axis X of the base, a first body 6 attached to the base 4 to be freely rotatable about the central axis X; a second body 8 attached to the first body 4 to be swingable about a swing axis Y1 that intersects the central axis X; a light-emitting module 10 mounted on the second body 8; and a lighting circuit unit 12 configured to light the light-emitting module 10. The lighting circuit unit 12 is housed in the first body 6.
Abstract:
PROBLEM TO BE SOLVED: To provide an illumination light source device compatible with a plurality kinds of existing fluorescent lamps having different lengths and improving storage efficiency during transportation, storage, etc. SOLUTION: Both sides of a light source 10 are respectively attached to a pair of bases 20, which in turn are detachably mounted onto a pair of sockets provided in a fluorescent lamp fixture, respectively. The light source 10 includes a plurality of light source units 11 each of which has an LED light source 12a. Adjacent light source units 11 are rotatably connected by a connecting pin 12 with each other. The plurality of light source units 11 are made to form a predetermined bent state by rotating adjacent light source units 11 mutually, and thereby the light source 10 is deformed in zigzag, so that each base 20 is brought close to each other. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a plate-shaped ceramic member that can have a higher degree of flexibility in design than allowed by conventional technologies. SOLUTION: A plate-shaped ceramic member 15, which converts the wavelength of light emitted from a semiconductor light-emitting device, is formed of two or more types of ceramic materials, and is partitioned into multiple blocks 15a and 15b. Each block is formed of one selected from two or more types of ceramic materials. At least one of two or more types of ceramic materials contains a wavelength conversion material that converts the wavelength of light. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a lamp and a lighting device which prevent deterioration of reliability of a translucent plate.SOLUTION: The lighting device 100 is provided with: a light emitting module; a first housing 120 which holds the light emitting module therein and has an opening located at a vertically down side when installed; and a translucent plate 140 which is fixed on the opening of the first housing 120 and transmits light outputted from the light emitting module. At a part where the first housing 120 and the translucent plate 140 contact, there is formed a groove 180 opening vertically upward when installed.
Abstract:
PROBLEM TO BE SOLVED: To provide an illumination lighting source device which has compatibility with a conventional fluorescent lamp and moreover can improve the efficiency of storage at transportation and storing or the like. SOLUTION: Each of bases 90 is installed at an end of both sides of an illumination body A in which a plurality of light source units 10, 20, 30, 40 constructed of a cylindrical shape are aligned in one row in a coaxial state, and each of the bases 90 is installed detachably with a pair of sockets arranged facing each other in a luminaire. Each of the light source units 10, 20, 30, 40 is provided on a periphery of supporting bodies 11, 21, 31, 41 with light source units 12, 22, 32, 42, respectively, and one neighboring support can be accommodated inside the other support, and when both of the supporting bodies are slid in an extension direction, each of the light sources supported by each of the supporting bodies are electrically connected. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a light source for illumination in which a light distribution angle is made closer to that of an incandescent bulb than a prior art. SOLUTION: A heat sink member 16 as a base includes a mounting part 16b on which a light-emitting module 20 is mounted, and a surrounding part 16a to surround the circumference of the mounting part 16b, and a surface of the surrounding part 16a is dropped in a direction perpendicular to the surface of the mounting part 16b against the surface of the mounting part 16b. An annular light conducting member 30 is arranged so as to surround the circumference of a light-emitting part 22 of the light-emitting module 20. The inner peripheral face 30b to become a light incident surface of the light conducting member 30 is positioned in the circumference of the light-emitting part 22, and at least one part of the peripheral face 30e of the outer peripheral face 30c to become a light emitting surface of the light conducting member 30 is positioned closer to the base than the surrounding of the light-emitting part 22 in the direction perpendicular to the surface of the mounting part 16b. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a bulb-shaped lamp capable of directing an irradiation direction of a light-emitting module to an irradiated face in accordance with a fitting angle.SOLUTION: The bulb-shaped lamp is provided with a base 4 to be mounted on a socket while being rotated, a first casing 6 fixed to the base 4 in free rotation around a central axis X of rotation, a second casing 8 fitted to the first casing 6, and a light-emitting module 10 loaded on the second casing 8. The second casing 8 is fitted to the first casing 6 in free rocking in a direction crossing the central axis X.